package com.yangjiangtao.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/ExitServlet")
public class ExitServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // 销毁Session
        req.getSession().invalidate();
        resp.setContentType("text/html;charset=UTF-8");
        resp.getWriter().write("<h2>Session已销毁!</h2>");
        resp.getWriter().write("<h2>当前在线人数：" + req.getServletContext().getAttribute("number") + "<h2>");
    }
}
